Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NU 203 ECML

NU 203 ECML

Dimensions

d		17	mm
D		40	mm
B		12	mm
D₁	≈	32.35	mm
F		22.1	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
s	max.	1	mm

Abutment dimensions

d_a	min.	19.9	mm
d_a	max.	21.1	mm
d_b	min.	24	mm
D_a	max.	36	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	20	kN
Basic static load rating	C₀	14.3	kN
Fatigue load limit	P_u	1.73	kN
Reference speed		20000	r/min
Limiting speed		34000	r/min
Calculation factor	k_r	0.23
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

0.075

Model Number: NU 203 ECML
Inner Diameter：17mm Outer Diameter：40mm Width：12mm
Reference speed:34000 r/min Limiting speed:20000 r/min
Type：Bearings, units and housings Roller bearings Cylindrical roller bearings Single row cylindrical roller bearings
Details： Single row cylindrical roller bearings Cylindrical roller bearings, single row
Update date：2026-08-20
Application:linear drive,industrial equipment,Hydraulic Couplings,special broaching machine,Generator,tooth filling,Laser Cutting,Technical Equipment,metallurgical mold,engineering machinery,packaging materials
Similar models:6203-2RSLTN9/HC5C3WT 6203-RSH NJ 203 ECP YAT 203 6203-2RSL PSM 152030 A51 6203/HR11QN AS 2035 7203 CD/HCP4A YET 203
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Model No. Inner Diameter Outer Diameter Width Type

403403
50x100x10 HMS5 V
A 4059/A 4138
HME 31/630
PRM 808580

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Hot number： 25x38x7 HMS5 V 315799 33.2x47.3x11.8 TP 36005 37526 6318 M 7 VA R NU 1013 ECP/C3VL0241 NU 312 ECM/HC5C3 OKBS 109 PCM 121408 E PCM 556040 E PRM 505540 SAFS 23038 KAT x 6.13/16 TU 1.1/2 TF

Model No.	Inner Diameter	Outer Diameter	Width	Type
403403
50x100x10 HMS5 V
A 4059/A 4138
HME 31/630
PRM 808580